198989856 is an even 9-digits composite number following 198989855
and preceding 198989857. In scientific notation, it is written as 1.98989856 × 10^8.
The sum of its digits is 63. It has a total of 9 prime factors and 72 positive divisors.
There are 61226496 positive integers (up to 198989856) that are relatively prime to 198989856.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 53149
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
9 |
Total number of prime factors |
| rad |
Radical |
4145622 |
Product of the distinct prime numbers |
The prime factorization of 198989856 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 53149.
Since it has a total of 9 prime factors.
1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 53149, 106298, 159447, 212596, 318894, 425192, 478341, 637788, 690937, 850384, 956682, 1275576, 1381874, 1700768, 1913364, 2072811, 2551152, 2763748, 3826728, 4145622, 5102304, 5527496, 6218433, 7653456, 8291244, 11054992, 12436866, 15306912, 16582488, 22109984, 24873732, 33164976, 49747464, 66329952, 99494928, 198989856
72 divisors
| τ |
Total Divisors |
72 |
Total number of the positive divisors of n |
| σ |
Sum of Divisors |
1 |
Sum of all the positive divisors of n |
| s |
Aliquot Sum |
-198989855 |
Sum of the proper positive divisors of n |
| A |
Arithmetic Mean |
0.013888888888889 |
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
| G |
Geometric Mean |
1 |
Returns the nth root of the product of n divisors |
| H |
Harmonic Mean |
72 |
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 198989856 can be divided by 72 positive divisors.
The sum of these divisors (counting 198989856) is 1, the average is 0.013888888888889.